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प्रश्न
When two quantities x and y are in ______ proportion or vary ______ they are written as `x oo y`.
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उत्तर
When two quantities x and y are in direct proportion or vary directly, they are written as `x oo y`.
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संबंधित प्रश्न
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| Litres of gas | 1 | 0.5 | 2 | 2.5 | 3 | 5 |
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